1. Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
2. Neurotherapeutics Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
3. Molecular Neurophysiology and Biophysics Section, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.
4. Bioinformatics Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 21042, USA.
5. Mouse Imaging Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 21042, USA.
6. Integrated Research Facility, National Institute of Allergy and Infectious Disease, National Institutes of Health, Fort Detrick, Frederick, MD 21042, USA.
7. Laboratory of Muscle Stem Cell and Gene Regulation, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 21042 , USA.
8. Department of Neurology, Johns Hopkins University, Baltimore, MD 28217, USA.